Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:37:52

Orbital Elements for NLTT18995

WDS:	NLTT18995	WDS ID/Discoverer
P:	2.008	Orbital period (years)
a:	0.010199999999999999	Semi-major axis (arcseconds)
i:	158.7	Inclination (degrees)
Ω:	188.2	Longitude of ascending node (degrees)
T:	1991.232	Epoch of periastron passage (year)
e:	0.212	Eccentricity
ω:	210.0	Longitude of periastron (degrees)
Start-Year:	2024.0	Year
End-Year:	2026.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for NLTT18995

Position:	080854.44+243726.2	Epoch-2000 right ascension and declination
WDS-ID:	08089+2437	WDS designation
Discoverer Code:	NLTT18995	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	39893	Hipparcos catalog number
V1:	9.65	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:	2000	Equinox
Date:		Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for NLTT18995

WDS 6th Orbit including measures of NLTT18995

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)

Ephemeris of NLTT18995

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.009     67.3
-------------------------
2024.0     0.011    203.5
2025.0     0.009     67.3

Disclaimer

Acknowledgements

The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory.